Potassium Bitartrate
INCI: POTASSIUM BITARTRATE
Reviewed by Rosie · Last updated 18 Aug 2026
What Is Potassium Bitartrate?
Potassium Bitartrate (INCI: POTASSIUM BITARTRATE) is a cosmetic ingredient listed in the EU CosIng inventory. Butanedioic acid, 2,3-dihydroxy- (2R, 3R)- potassium salt (1:1),Potassium Hydrogen Tartrate.
Its declared cosmetic function is buffering.
Source: European Commission CosIng inventory.
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